package com.zzx.project.service;

import com.zzx.project.entity.Leavingmessage;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface LmService { //留言Service
    List<Leavingmessage> getMessagesById(int uid);

    int addMessage(Leavingmessage leavingmessage);

    int getMessageCount();
}
